Home / 330,864.20-496,296.30-81,546.20

Finding the Fourth Proportional to 330,864.20, 496,296.30 and 81,546.20

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Solution

The fourth proportional to 330,864.20, 496,296.30 and 81,546.20 is: 122,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,864.20 : 496,296.30 = 81,546.20 : x
  2. Step 2: Convert to fraction form
    330,864.20/496,296.30 = 81,546.20/x
  3. Step 3: Cross multiply
    330,864.20x = 496,296.30 × 81,546.20
  4. Step 4: Simplify right side
    330,864.20x = 40,471,077,339.06
  5. Step 5: Solve for x
    x = 40,471,077,339.06/330,864.20
  6. Step 6: Final answer
    x = 122,319.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.